![下面java代码的输出为? import java.util.HashMap; import java.util.Iterator; public class Main { public static void main(String[] args) { HashMap map = new HashMap<Integer, Integer>(); map.put(1, "wangyi"); changeHashMap(map); for (Iterator it = map.keySet().iterator(); it.hasNext();) { Object key = it.next(); System.out.println(key + "=" + map.get(key)); } } static void changeHashMap(HashMap map) { map = new HashMap<Integer, String>(); map.put(1, "163"); } }](http://www.qklbishe.com/wp-content/themes/ripro/assets/images/thumb/1.jpg)
下面java代码的输出为? import java.util.HashMap; import java.util.Iterator; public class Main { public static void main(String[] args) { HashMap map = new HashMap<Integer, Integer>(); map.put(1, "wangyi"); changeHashMap(map); for (Iterator it = map.keySet().iterator(); it.hasNext();) { Object key = it.next(); System.out.println(key + "=" + map.get(key)); } } static void changeHashMap(HashMap map) { map = new HashMap<Integer, String>(); map.put(1, "163"); } }